作者: Johannes Overgaard , Heath A. MacMillan
DOI: 10.1146/ANNUREV-PHYSIOL-022516-034142
关键词: Integrative physiology 、 Homeostasis 、 Ion homeostasis 、 Cell biology 、 Ectotherm 、 Insect 、 Cold exposure 、 Ecology 、 Membrane potential 、 Adaptation 、 Biology
摘要: Cold tolerance is important in defining the distribution of insects. Here, we review principal physiological mechanisms underlying homeostatic failure during cold exposure this diverse group ectotherms. When insects are cooled sufficiently, they suffer an initial loss neuromuscular function (chill coma) that caused by decreased membrane potential and reduced excitability system. For chill-susceptible insects, chronic or severe chilling causes a disruption ion water homeostasis across membranes epithelia exacerbate effects on cellular function, these perturbations tightly associated with development chill injury mortality. The adaptation acclimation responses allow some to tolerate low temperatures multifactorial involve several systems biochemical adjustments. In review, outline model integrates respo...